package com.iailab.module.shasteel.util.token;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.core.ParameterizedTypeReference;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Component;
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import org.springframework.util.Assert;
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import org.springframework.util.Base64Utils;
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import org.springframework.util.ObjectUtils;
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import org.springframework.web.client.RestTemplate;
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import java.nio.charset.StandardCharsets;
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import java.util.Map;
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/**
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* @author PanZhibao
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* @Description
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* @createTime 2024年11月21日
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*/
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@Slf4j
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@Component
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public class IailabClient {
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/**
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* 平台地址
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*/
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@Value("${iailab.token.base-url}")
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private String BASE_URL;
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/**
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* 租户编号
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*/
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@Value("${iailab.token.tenant-id}")
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private String TENANT_ID;
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/**
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* 客户端信息
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*/
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@Value("${iailab.token.client-id}")
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private String CLIENT_ID;
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@Value("${iailab.token.client-secret}")
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private String CLIENT_SECRET;
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@Value("${iailab.token.username}")
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private String USERNAME;
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@Value("${iailab.token.password}")
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private String PASSWORD;
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private static final String GRAND_TYPE = "password";
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private static final String SCOPE = "user.read user.write";
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private static final RestTemplate restTemplate = new RestTemplate();
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// 鉴权token
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private String accessToken;
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// 刷新token
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private String refreshToken;
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// 鉴权token过期时间
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private Long expireTime;
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/**
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* 用户名密码方式获取平台token
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*/
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private synchronized void authenticate() {
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log.info("获取平台token");
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// 1.1 构建请求头
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HttpHeaders headers = new HttpHeaders();
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addClientHeader(headers);
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// 1.2 构建authenticate请求URL
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String authenticateUrl = BASE_URL + "/oauth2/token?"
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// 密码模式的参数
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+ "grant_type=" + GRAND_TYPE
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+ "&username=" + USERNAME
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+ "&password=" + PASSWORD
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+ "&scope=" + SCOPE;
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// 2. 执行请求
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ResponseEntity<Map<String, Object>> exchange = restTemplate.exchange(
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authenticateUrl,
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HttpMethod.POST,
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new org.springframework.http.HttpEntity<>(headers),
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new ParameterizedTypeReference<Map<String, Object>>() {
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});
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Assert.isTrue(exchange.getStatusCode().is2xxSuccessful(), "响应必须是 200 成功");
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log.info(exchange.toString());
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Map<String, Object> authMap = exchange.getBody();
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accessToken = authMap.get("access_token").toString();
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refreshToken = authMap.get("refresh_token").toString();
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expireTime = Long.valueOf(authMap.get("expires_time").toString());
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}
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private synchronized void refreshToken() {
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log.info("刷新token");
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// 1.1 构建请求头
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HttpHeaders headers = new HttpHeaders();
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addClientHeader(headers);
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// 1.2 构建authenticate请求URL
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String authenticateUrl = BASE_URL + "/system/auth/client-refresh-token?refreshToken=" + refreshToken
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+ "&clientId=" + CLIENT_ID;
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// 2. 执行请求
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ResponseEntity<Map<String, Object>> exchange = restTemplate.exchange(
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authenticateUrl,
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HttpMethod.POST,
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new org.springframework.http.HttpEntity<>(headers),
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new ParameterizedTypeReference<Map<String, Object>>() {
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});
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Assert.isTrue(exchange.getStatusCode().is2xxSuccessful(), "响应必须是 200 成功");
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Map<String, Object> authMap = exchange.getBody();
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//刷新token过期,重新获取token
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if (!ObjectUtils.isEmpty(authMap.get("code"))) {
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Integer code = Integer.valueOf(authMap.get("code").toString());
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if (code == 401) {
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authenticate();
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}
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} else {
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accessToken = authMap.get("access_token").toString();
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expireTime = Long.valueOf(authMap.get("expires_time").toString());
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}
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}
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private void addClientHeader(HttpHeaders headers) {
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// client 拼接,需要 BASE64 编码
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String client = CLIENT_ID + ":" + CLIENT_SECRET;
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client = Base64Utils.encodeToString(client.getBytes(StandardCharsets.UTF_8));
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headers.add("Authorization", "Basic " + client);
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headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
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headers.set("tenant-id", getTenantId().toString());
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}
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public String getToken() {
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//第一次请求或者token过期,需要重新获取token
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if(ObjectUtils.isEmpty(accessToken)) {
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authenticate();
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} else if (expireTime < System.currentTimeMillis() / 1000) {
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refreshToken();
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}
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return accessToken;
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}
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public Long getTenantId() {
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return Long.valueOf(TENANT_ID);
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}
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}
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